212121002010200 has 48 divisors (see below), whose sum is σ = 522191996133480. Its totient is φ = 79857318402560.

The previous prime is 212121002010193. The next prime is 212121002010257. The reversal of 212121002010200 is 2010200121212.

It is a super-3 number, since 3×212121002010200³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31194261602 + ... + 31194268401.

Almost surely, 2^{212121002010200} is an apocalyptic number.

212121002010200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212121002010200 is an abundant number, since it is smaller than the sum of its proper divisors (310070994123280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212121002010200 is a wasteful number, since it uses less digits than its factorization.

212121002010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62388530036 (or 62388530027 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212121002010200 its reverse (2010200121212), we get a palindrome (214131202131412).

The spelling of 212121002010200 in words is "two hundred twelve trillion, one hundred twenty-one billion, two million, ten thousand, two hundred".